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通过电化学测试和浸泡实验研究了铝及其合金上锂盐转化膜、铬酸盐转化膜及自然氧化膜在氯化钠溶液中的耐蚀性能。结果表明：锂盐转化膜的耐蚀性能优于自然氧化膜的，而与铬酸盐转化膜的相当
The corrosion resistance of lithium salt conversion coating, chromate conversion coating and natural oxide coating in sodium chloride solution was investigated by electrochemical test and immersion test. The results show that the corrosion resistance of lithium salt conversion coating is better than that of natural oxide coating and equivalent to that of chromate conversion coating